Experimental Physics and Industrial Control System
>
> The fact that your widgets weren't updating automatically suggests to me
> that those other PVs might not have been configured correctly, because Text
> Input boxes should update automatically when they get a monitor event
> from the IOC. The fact that yours aren't implies that somehow their values
> are being changed (presumably by the hardware) without triggering record
> processing, which would trigger a CA update event and thus update the GUI
> automatically. Your approach might work fine with CS-Studio, but a different
> GUI tool might not have the same ability, so I don't recommend that you
> accept this as the right solution.
>
> Is this a situation where those PVs can be updated from either the GUI or the
> back-end hardware? There are techniques people have developed to handle
> this correctly if it is.
>
The PVs are divided into the "Getters" and "Setters". The backend-variables can be set in hardware independently of EPICS. The Getters have their OUT fields pointed at the Setters.
Iain.
- Replies:
- Re: Automatic refresh of OPI Andrew Johnson
- References:
- Automatic refresh of OPI Iain Marcuson
- Re: Automatic refresh of OPI Kasemir, Kay
- RE: Automatic refresh of OPI Iain Marcuson
- Re: Automatic refresh of OPI Andrew Johnson
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